Machine for making telegraph-insulator pins



(No Model.)v 5 Sheets-Sheet `1.

- J. B. SMITH.

MACHINE POR MAKING TELEGRAPH INSULATORLPINS.- No. 278,619. r Patented May 29,1883.

MHLE' 'mum WHW/w I W TTRNEYS.

(No Model.) 5'She@ias- Sheet2` J. B. SMITH.

MACHINE FOR MAKING TELEGRAPH INSULATOR PINS.

No. 278,619. V Patented May 29,1883.

*f I N WITNESSES :I INVBNTOR W l .ATTORN/BYS.

N. Prrzns. Pnmumagnpm. walmngwn. n. c

(NO Model.) 5 Sheets-Sheet 3.

J. B. SMITH.

MACHINE FOR MAKING TELEGRAPH INSULATOR PINS.

N0. 278,619. Patented May 29,1883.

MINI uml y WITNESSES: INV NTQR: M M www @w Y ATTORNEYS.

(No Model.) 5 Sheets-Sheet 4.

J. B. SMITH.

MACHINE FOR MAKING IBLEGRAPH INSULATOR PINS. N0. 278,619. Patented May 29,1883.

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(No Model.)

` -J. 8. 'isn/HTH. MACHINE PQR MAKING TELBGRAPH INSULATOR PINS..

180,278,819. Patented May 28,1888.

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WITNESSES: 8

ATTORN s.

Jon-N B. sMrrH, or suNArEE, AssreNoE tro `CHARLES" N. FREEMAN AND` p DAVID w. oNErL, or oLAEEMoNr, NEW HAMPSHIRE;

MACHINEFORPMAKINGTELEGRAPH-INSULATOR PlNlsfL sPEcIBIcArIoN forming part orleans-Patent 110.278,619, dated May 29, '1883.

Application tiled September 2, 1832. (No model.)

To all whom tt may concern.: i their slots, so as to have a vertical adjustment. w Be it known that I, JOHN B. SMITH, of These clips have inwardly-projecting tongues, Snnapee, in the count)T of Sullivan and State that enter grooved metal strips b, fastened to of New Hampshire, have invented a new and the horizontal sliding table C, `which latter 55 Improved Machine for Making Telegraph-Im 1 has a reciprocating movement transversely to lator Pins; and I do hereby declare that the the main frame, and o n its inner end carries ow" g is afull, clear, and exact description an angular seat or. holder, d, for theblank. ame, reference being had to the accom- On each side of this sliding table there `is rawings, forming part of .this specimounted upon the top of the main franje the `6o whic metallic journal-frames D D' for the two horiers ective view from the rea-r zontal rotating mandrels E E. These man- Fisa. `1 I drels have at their inner ends gripping devices for the blank, so as to hold the latter wvhilel sbemoturned. se `an- 6.5

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source *On th w n rotarymotion, wh he otl ha othar tary and a lon gitudinally-reciprocatin g motion.

1 1 aretwo stops which limit the inward 75 movement of the blank as it is carried forward by the feed-table. These stops are struck by e latter passes into line the .mandrelsys "that `hennae ine, en hrong `line y yof Fig. 2, and looking the view in the direction of the arrow. My invention relates to a machine for `makr` holding telegraph-insulators. ha one `plain `cylindrical end, a

`if eriend7 the the blank` just as th with thegrippers y seize( b "l w w 1e d with a. rod, K, (see Fig. 6,) that is attached to vtm p a cross-head, L, which connects with the adnext blank, as will be hereinafter more fullyT justable mandrel E and the guide-rod M, and 95 45 described. in `which cross-head the outerend of this man- In the drawings, A represents the main drel swivels.

frame of the machine, about the middle of N N are the two cutter-holders which form which is arranged a table, B, projecting to one the contour of the pin. These cutter-holders side or offsetting from the frame-work, and are arranged side by side, andare pivoted or ron 5o having upon its sides slotted guide-clips a, hinged upon a horizontal axis in short standfastened to the tableby screws passingthrough -ards J J', rising from the back end of table J. w

e." p p a `kincieksthe ished: in loose (nd out ot' the way of the (No Model.) f W. SMITH.

STUMP EXTRAGTOR.

Patellted May 29,1883. 

